Lyford Roland Hazen Grammatical categrories in Robert Frost's blank verse a quantitative analysis - Ann arbor Univ Microfilms 1968 - iii,218p. cm. - University of California , language and literature , linguistics (Department of-), Dissertation, 1968 . Appendic es (A-C) 90-201p; Bib 207-18p Standard No.: 32,681 Source: Textual Subjects--Topical Terms: ENGLISH LITERATURE Dewey Class. No.: O-,1M74:g(P), K8 (PD)